| parent | Narcotics | LP18149-2 |
| child | Levorphanol cutoff | LP228870-4 |
| child | Levorphanol | Serum or Plasma | Drug toxicology | LP389958-2 |
| child | Levorphanol | Urine | Drug toxicology | LP389959-0 |
| parent | Narcotics | LP18149-2 |
| child | Levorphanol | Dose | Drug doses | LP392283-0 |
| STATUS | ACTIVE |
| PartDisplayName | en-US | Levorphanol |
| DisplayName | en-US | Levorphanol |
LOINC Version: 2.81